Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755602AbaBTXwR (ORCPT ); Thu, 20 Feb 2014 18:52:17 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:45749 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755551AbaBTXwP (ORCPT ); Thu, 20 Feb 2014 18:52:15 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hartmut Knaack , Lars-Peter Clausen , Jonathan Cameron Subject: [PATCH 3.12 39/82] staging:iio:ad799x fix error_free_irq which was freeing an irq that may not have been requested Date: Thu, 20 Feb 2014 15:52:22 -0800 Message-Id: <20140220235020.646061257@linuxfoundation.org> X-Mailer: git-send-email 1.9.0 In-Reply-To: <20140220235019.483734207@linuxfoundation.org> References: <20140220235019.483734207@linuxfoundation.org> User-Agent: quilt/0.61-1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hartmut Knaack commit 38408d056188be29a6c4e17f3703c796551bb330 upstream. Only free an IRQ in error_free_irq, if it has been requested previously. Signed-off-by: Hartmut Knaack Acked-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/staging/iio/adc/ad799x_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/staging/iio/adc/ad799x_core.c +++ b/drivers/staging/iio/adc/ad799x_core.c @@ -644,7 +644,8 @@ static int ad799x_probe(struct i2c_clien return 0; error_free_irq: - free_irq(client->irq, indio_dev); + if (client->irq > 0) + free_irq(client->irq, indio_dev); error_cleanup_ring: ad799x_ring_cleanup(indio_dev); error_disable_reg: -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/